Jonathan has been an inveterate exhibitor at international art fairs in Chicago, Miami, Palm Beach, San Francisco, and Los Angeles. Jonathan is a member of the Private Art Dealers of America (PADA), as well as the International Fine Print Dealers of America (IFPDA).

As one of America's premier private art dealers, located in Century City, just east of Beverly Hills, Jonathan is always happy to provide his clients with expert advice in the purchasing, collecting, and selling of fine contemporary works of art.